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126
Voted
ECIR
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
142
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DOCENG
2003
ACM
15 years 9 months ago
2003
ACM
In this paper, we propose to extend XQuery - the XML query language - with a set of transformation operators which will produce a copy of an XML tree in which some subtrees will b...
133
Voted
IRAL
2003
ACM
15 years 9 months ago
2003
ACM
In this paper, we focus on performing LSI on very low SVD dimensions. The results show that there is a nearly linear surface in the local query region. Using low-dimensional LSI o...
118
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IPM
2006
15 years 3 months ago
2006
Similarity calculations and document ranking form the computationally expensive parts of query processing in ranking-based text retrieval. In this work, for these calculations, 11...
127
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WWW
2004
ACM
16 years 4 months ago
2004
ACM
To improve the process of user information retrieval, we propose the concept of a latent semantic map (LSM), along with a method of generating this map. The novel aspect of the LS...